{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:AJFM2553ZMCPWPQJNYO7HNQCXI","short_pith_number":"pith:AJFM2553","schema_version":"1.0","canonical_sha256":"024acd77bbcb04fb3e096e1df3b602ba2d72007e7daedec7e54599bbb176344d","source":{"kind":"arxiv","id":"0805.4297","version":1},"attestation_state":"computed","paper":{"title":"Tentative detection of phosphine in IRC+10216","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J. Cernicharo, J. R. Pardo, M. Ag\\'undez, M. Gu\\'elin, T. G. Phillips","submitted_at":"2008-05-28T09:50:24Z","abstract_excerpt":"The J,K = 1,0-0,0 rotational transition of phosphine (PH3) at 267 GHz has been tentatively identified with a T_MB = 40 mK spectral line observed with the IRAM 30-m telescope in the C-star envelope IRC+10216. A radiative transfer model has been used to fit the observed line profile. The derived PH3 abundance relative to H2 is 6 x 10^(-9), although it may have a large uncertainty due to the lack of knowledge about the spatial distribution of this species. If our identification is correct, it implies that PH3 has a similar abundance to that reported for HCP in this source, and that these two mole"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0805.4297","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-05-28T09:50:24Z","cross_cats_sorted":[],"title_canon_sha256":"1748b7efc8f49c5ceb46398485d30b3a512b2fea39e6dc6a70f3a367c5e20f19","abstract_canon_sha256":"25a1cf849a557e5699150d9fcde250cdfd4e69331e8ea67a92a0a2d31da534b0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:11:01.747982Z","signature_b64":"7PzNBoF3QvWrjYO+0QYEMmTU0QzwTBcTArvgAnkFaIMhZHjKZF4xLEalELYKs/uL9tRZhGnn/rOfe07KGu06Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"024acd77bbcb04fb3e096e1df3b602ba2d72007e7daedec7e54599bbb176344d","last_reissued_at":"2026-07-04T17:11:01.747627Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:11:01.747627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tentative detection of phosphine in IRC+10216","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J. Cernicharo, J. R. Pardo, M. Ag\\'undez, M. Gu\\'elin, T. G. Phillips","submitted_at":"2008-05-28T09:50:24Z","abstract_excerpt":"The J,K = 1,0-0,0 rotational transition of phosphine (PH3) at 267 GHz has been tentatively identified with a T_MB = 40 mK spectral line observed with the IRAM 30-m telescope in the C-star envelope IRC+10216. A radiative transfer model has been used to fit the observed line profile. The derived PH3 abundance relative to H2 is 6 x 10^(-9), although it may have a large uncertainty due to the lack of knowledge about the spatial distribution of this species. If our identification is correct, it implies that PH3 has a similar abundance to that reported for HCP in this source, and that these two mole"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.4297","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0805.4297/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"0805.4297","created_at":"2026-07-04T17:11:01.747673+00:00"},{"alias_kind":"arxiv_version","alias_value":"0805.4297v1","created_at":"2026-07-04T17:11:01.747673+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.4297","created_at":"2026-07-04T17:11:01.747673+00:00"},{"alias_kind":"pith_short_12","alias_value":"AJFM2553ZMCP","created_at":"2026-07-04T17:11:01.747673+00:00"},{"alias_kind":"pith_short_16","alias_value":"AJFM2553ZMCPWPQJ","created_at":"2026-07-04T17:11:01.747673+00:00"},{"alias_kind":"pith_short_8","alias_value":"AJFM2553","created_at":"2026-07-04T17:11:01.747673+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/AJFM2553ZMCPWPQJNYO7HNQCXI","json":"https://pith.science/pith/AJFM2553ZMCPWPQJNYO7HNQCXI.json","graph_json":"https://pith.science/api/pith-number/AJFM2553ZMCPWPQJNYO7HNQCXI/graph.json","events_json":"https://pith.science/api/pith-number/AJFM2553ZMCPWPQJNYO7HNQCXI/events.json","paper":"https://pith.science/paper/AJFM2553"},"agent_actions":{"view_html":"https://pith.science/pith/AJFM2553ZMCPWPQJNYO7HNQCXI","download_json":"https://pith.science/pith/AJFM2553ZMCPWPQJNYO7HNQCXI.json","view_paper":"https://pith.science/paper/AJFM2553","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0805.4297&json=true","fetch_graph":"https://pith.science/api/pith-number/AJFM2553ZMCPWPQJNYO7HNQCXI/graph.json","fetch_events":"https://pith.science/api/pith-number/AJFM2553ZMCPWPQJNYO7HNQCXI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AJFM2553ZMCPWPQJNYO7HNQCXI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AJFM2553ZMCPWPQJNYO7HNQCXI/action/storage_attestation","attest_author":"https://pith.science/pith/AJFM2553ZMCPWPQJNYO7HNQCXI/action/author_attestation","sign_citation":"https://pith.science/pith/AJFM2553ZMCPWPQJNYO7HNQCXI/action/citation_signature","submit_replication":"https://pith.science/pith/AJFM2553ZMCPWPQJNYO7HNQCXI/action/replication_record"}},"created_at":"2026-07-04T17:11:01.747673+00:00","updated_at":"2026-07-04T17:11:01.747673+00:00"}